Joel Coley

Assitant Professor

Howard University

United States

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Joel Coley is an Assistant Professor at Howard University in the United States. His research focuses on X-ray and gamma-ray binaries, with recent articles detailing studies on orbital phase-resolved analysis and superorbital modulations in various celestial objects. His work includes significant contributions to the understanding of neutron star low-mass X-ray binaries and the dynamics of unstable accretion disks.

Articles (13)

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2025

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2025

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2025

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2024

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2024

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2024

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2023

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2023

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2023

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2022

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2022

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2021

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2021

Collaborators (7)

Vladimir Airapetian

Research Professor

American University

UNITED STATES

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Renee Ludlam

Assistant Professor

Wright State University

UNITED STATES

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Peter Becker

Professor

George Mason University

UNITED STATES

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Gaurava Kumar Jaisawal

Technical University of Denmark

DENMARK

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Pragati Pradhan

Assistant Prof.

Embry-Riddle Aeronautical University

UNITED STATES

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Jörn Wilms

Professor

Friedrich-Alexander Universität Erlangen-Nürnberg

GERMANY

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Kristin Madsen

University of Maryland

UNITED STATES

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Joel Coley

Research Interests

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About

Articles (13)

Swift/XRT monitoring of the orbital and superorbital modulations in 4U 1909+07

Orbital Phase-resolved Analysis of X-Ray and Gamma-Ray Observations of the High-mass Gamma-Ray Binary 4FGL J1405.1−6119

Simultaneous NICER and NuSTAR Observations of the Neutron Star Low-mass X-Ray Binary Serpens X-1

The giant outburst of EXO 2030+375

The giant outburst of EXO 2030+375

Sharp Periodic Flares and Long-term Variability in the High-mass X-Ray Binary XTE J1829−098 from RXTE PCA, Swift BAT, and MAXI Observations

Energetic Superflare from a Young Solar Analog, DS Tucanae A, Observed with NICER

Constraining the Evolution of the Unstable Accretion Disk in SMC X-1 with NICER

Investigating the Superorbital Modulations in 4U 1909 + 07, IGR J16418-4532, and IGR J16479-4514 with Swift XRT, BAT, and NuSTAR Observations

Accreting on the Edge: A Luminosity-dependent Cyclotron Line in the Be/X-Ray Binary 2S 1553-542 Accompanied by Accretion Regimes Transition

Gamma-Ray Eclipses and Orbital Modulation Transitions in the Candidate Redback 4FGL J1702.7–5655

The X-Ray Pulsar XTE J1858+034 Observed with NuSTAR and Fermi/GBM: Spectral and Timing Characterization plus a Cyclotron Line

Superorbital Modulation in the High-mass X-Ray Binary 4U 1538–52 and Possible Modulation in IGR J16393–4643

Collaborators (7)

Vladimir Airapetian

Renee Ludlam

Peter Becker

Gaurava Kumar Jaisawal

Pragati Pradhan

Jörn Wilms

Kristin Madsen

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